Plus Fitting System-Two Removable Footbeds For Added And Double Depth Wear Walk Right Technology Insole Slip Resistant Rubber Outsole with Rocker Bottom Nylon Shank and Extended Medial Heel Stabilizer Available in Widths: Medium (D), Wide (2E), X-Wide (box labeled 4W - 4E), XX-Wide (box labled 6E) The men's Drew Marvel athletic shoe is a clean, classic silhouette. It features moisture-wicking Drilex linings and a slip-resistant sole. The removable WalkRight Technology Insole is engineered for protection and superior comfort. The ultra lightweight construction and breathable mesh upper make it perfect for walk-all-day comfort. Complete with two removable insoles for added or double depth. Ideal for the diabetic foot.